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Study On Land Use Change And Its Social Driving Forces In Different Economic Areas Of Chongqing

Posted on:2004-07-08Degree:MasterType:Thesis
Country:ChinaCandidate:C X YangFull Text:PDF
GTID:2156360092485630Subject:Soil science
Abstract/Summary:PDF Full Text Request
Land is space and environment where the mankind survives and develops, is the irreplaceable, non-renewable important natural resources and means of production. The development of society cannot do without the use and transformation of land resource, and the relation between mankind and land is the most basic relations of production in the whole history of human social development. Since last century, as population increases rapidly, science and technology advance by leaps and bounds, social economy develops rapidly, the range that the mankind uses land expands and the use degree and intensity become deeper constantly. Every transition of land use way produces corresponding resource problems, environment problems and social economic problems. So it is very urgent to study the interaction between Land Use and Change (LUC) and human driving forces, which is also the focus both at home and abroad that scholars pay close attention to at present.To Chongqing with an area of 82,400 km2, the speed, degree and direction of LUC demonstrate remarkable distinction because the states of land resource, size of population, economic development levels etc are quite different in various zones. Therefore, it is very meaningful to study the characters of LUC and human driving forces in different economic zones of Chongqing in order to resolve the contradiction between regional land and people rationally and promote regional sustainable economic development.On the basis of drawing the domestic and international achievement in research of LUC and human driving forces extensively and referring to different economic development levels in Chongqing, this study chooses Beibei, Wanzhou, Youyang as the sample areas, which respectively represent for relatively developed district, less developed district, undeveloped district. This paper takes the data and relevant materials of the period from 1985 to 2000 as foundation, takes the on-site inspection as ground, takes sustainable land resource use theory and systematic dynamics theory as guide, takes many kinds of qualitative and quantitative approaches as methods. This paper mainly carries on research into quantity, degree and depth of LUC, and landscape change degree in different economic zones of Chongqing, comparative study of human driving forces causing different LUC from qualitative and quantitative respects in different economic zones of Chongqing, further investigation with cultivated land change and construction land change and driving force through analyzing proper human driving forces using Principal Components' Analysis, Multi-linear RegressionModel, Stepwise Regression Model, quantitative prediction of cultivated land and construction land in the following 10 years in the sample areas with the help of Grey Trend Prediction Model such as GM(1,1).On the foundation of further investigation of LUC and human driving forces in different economic zones of Chongqing, we can draw the following conclusions:(1) LUC tend towards being optimized in Beibei and Wanzhou, the urban scale expanding, the land used for water conservancy projects and traffic increasing, unused land reducing, the coverage rate of forest improving to some extent. On the contrary, the land change is not remarkable in Youyang.(2) The influence of human driving forces on LUC is greater than natural factors such as weather and topography etc in a short time. The main human driving forces are population growth, industrialization and urbanization, development of the tertiary industry, the mechanism of economic management, social behavior, etc.(3) Quantitative analytical methods such as Principal Components' Analysis, Multi-linear Regression Model, and Stepwise Regression Model etc can be used for analyzing the direction and speed of LUC within certain period, and can connect LUC with human driving forces very well. The prediction with GM (1,1) indicates that some cultivated lands will continue reducing, that construction land will continue increasing and that they both will re...
Keywords/Search Tags:Different economic areas, Land Use and Change (LUC), Human driving forces, Chongqing
PDF Full Text Request
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